Humidity Stats from Press Release
September 10, 2017
Average Increase in humidity for Iowa Cities since 1971
Dubuque 23 percent
Cedar Rapids 22.2 percent*
Burlington 14.8 percent
Des Moines 11.9 percent
Ottumwa 11.5 percent*
Waterloo 10.7 percent
Sioux City 9.2 percent
Mason City 8 percent ( * indicates Average increase since 1973)